About boolean

manual

Logical Operators in JPQL and Criteria API

Explains how to use AND, OR and NOT in JPQL queries.... in JPA criteria queries enable composition of complex JPQL boolean expressions out of simple JPQL boolean expressions. This page covers the following topics: ...

 
manual

JPA Persistable Types

Explains how JPA manages types, including entity classes, embeddable classes, primitive types, wrappers, string, date, enum, collections and maps.... types are persistable: Primitive types: boolean , byte , short , char , int , long , float and ... Equivalent wrapper classes from package java.lang: Boolean , Byte , Short , Character , Integer , Long , Float ...

 
manual

Database Schema Evolution

Explains how ObjectDB handles automatically schema changes.... values (the default). From any type to Boolean or boolean ( 0 , null and false are converted to false , any ...

 
api-jpa

javax.persistence.criteria.Expression

Type for query expressions.(Interface of JPA)

 
api-jdo

getObjectById(oid, validate)

This method locates a persistent instance in the cache of instances managed by this PersistenceManager.(Method of javax.jdo.PersistenceManager)

 
api-jdo

getObjectsById(validate, oids)

Return the objects with the given oids.(Method of javax.jdo.PersistenceManager)

 
api-jdo

getObjectsById(oids, validate)

Return the objects with the given oids.(Method of javax.jdo.PersistenceManager)

 
manual

Literals in JPQL and Criteria Queries

Describes literals in JPQL, including null, false, true, numbers, strings, dates enums and types.... supports various types of literals including NULL , boolean literals ( TRUE and FALSE ), numeric literals (e.g. 100 ), ... topics: The NULL literal Boolean Literals Numeric Literals String Literals ...

 
api-jdo

javax.jdo.PersistenceManager

PersistenceManager is the primary interface for JDO-aware application components.(Interface of JDO)

 
forum_thread

PersistenceManager.getObjectsById(Collection,boolean) throwing JDOException

I have a call to getObjectsById(Collection,boolean) that is throwing a JDOException the first time I'm attempting to retrieve an object. If I try again, then the second request succeeds. Any idea why this might occur? We're using ObjectDB 2.2.4_02. The collection being passed in is a HashSet<Object> containing a single oid object (the method is written to support multiple objects, but it seems to only be failing irregularly when only a single oid is present). I'm passing false in as the verification argument.... I have a call to getObjectsById(Collection,boolean) that is throwing a JDOException the first time I'm attempting to ...